[INFO] fetching crate ftrace 0.2.1... [INFO] testing ftrace-0.2.1 against try#a7ee93192a766fb0dafa23def7154fc03cfcfc3e for pr-146989 [INFO] extracting crate ftrace 0.2.1 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate ftrace 0.2.1 [INFO] finished tweaking crates.io crate ftrace 0.2.1 [INFO] tweaked toml for crates.io crate ftrace 0.2.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate ftrace 0.2.1 on toolchain a7ee93192a766fb0dafa23def7154fc03cfcfc3e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate ftrace 0.2.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 339eaa940367995a3beb6349db6a361197b7484c2ec9d9d08e467a8ac4de19f1 [INFO] running `Command { std: "docker" "start" "-a" "339eaa940367995a3beb6349db6a361197b7484c2ec9d9d08e467a8ac4de19f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "339eaa940367995a3beb6349db6a361197b7484c2ec9d9d08e467a8ac4de19f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "339eaa940367995a3beb6349db6a361197b7484c2ec9d9d08e467a8ac4de19f1", kill_on_drop: false }` [INFO] [stdout] 339eaa940367995a3beb6349db6a361197b7484c2ec9d9d08e467a8ac4de19f1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7ab5703c71bec97c461cee7d0490507e2b47d2cd3733800524faac9226d755a1 [INFO] running `Command { std: "docker" "start" "-a" "7ab5703c71bec97c461cee7d0490507e2b47d2cd3733800524faac9226d755a1", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling syn v1.0.84 [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Compiling anyhow v1.0.52 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling paste v1.0.6 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling yansi v0.5.0 [INFO] [stderr] Compiling os_str_bytes v6.0.0 [INFO] [stderr] Compiling textwrap v0.14.2 [INFO] [stderr] Compiling easy_collections v0.3.2 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling which v4.2.2 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling pest_meta v2.1.3 [INFO] [stderr] Compiling pest_generator v2.1.3 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling clap_derive v3.0.0 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Compiling thiserror v1.0.30 [INFO] [stderr] Compiling flexi_logger v0.17.1 [INFO] [stderr] Compiling clap v3.0.0 [INFO] [stderr] Compiling ftrace v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `mode` is never read [INFO] [stdout] --> src/analysis.rs:106:9 [INFO] [stdout] | [INFO] [stdout] 105 | pub struct FnInfo { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 106 | pub mode: AccessMode, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `FnInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/parse/strace_line.rs:36:27 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn from_str(line: &str) -> Result { [INFO] [stdout] | ^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 36 | pub fn from_str(line: &str) -> Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.21s [INFO] running `Command { std: "docker" "inspect" "7ab5703c71bec97c461cee7d0490507e2b47d2cd3733800524faac9226d755a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ab5703c71bec97c461cee7d0490507e2b47d2cd3733800524faac9226d755a1", kill_on_drop: false }` [INFO] [stdout] 7ab5703c71bec97c461cee7d0490507e2b47d2cd3733800524faac9226d755a1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2b1be636852fcc7a56858bb277f9079a76c3d0949352259b820c12ac7cfedd1d [INFO] running `Command { std: "docker" "start" "-a" "2b1be636852fcc7a56858bb277f9079a76c3d0949352259b820c12ac7cfedd1d", kill_on_drop: false }` [INFO] [stderr] Error response from daemon: failed to set up container networking: write /var/lib/docker/containers/2b1be636852fcc7a56858bb277f9079a76c3d0949352259b820c12ac7cfedd1d/.tmp-resolv.conf.hash225662524: no space left on device [INFO] running `Command { std: "docker" "inspect" "2b1be636852fcc7a56858bb277f9079a76c3d0949352259b820c12ac7cfedd1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b1be636852fcc7a56858bb277f9079a76c3d0949352259b820c12ac7cfedd1d", kill_on_drop: false }` [INFO] [stdout] 2b1be636852fcc7a56858bb277f9079a76c3d0949352259b820c12ac7cfedd1d